--Are the students having math now? --Yes, .
举一反三
- The math teacher ___________ her students to ask questions.
- Is your mother cooking now?_______． A: Yes, she is not B: Yes, you are C: Yes, she is cooking D: No, she is
- Are they on the playground now A: Yes, they are. B: No, they aren’t. C: They were, and now they are back.
- there are websites where students can ________ math homework problems to a math expert. A: submit B: impose C: isolate D: entitle
- Is it raining outside now A: Yes, it is. B: No, it isn’t. C: Yes, it isn’t.